{"cve":"CVE-2015-4511","nvd":{"published":"2015-09-24T04:59:14.347","modified":"2026-06-17T00:27:26.470","status":"Modified","description":"Heap-based buffer overflow in the nestegg_track_codec_data function in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allows remote attackers to execute arbitrary code via a crafted header in a WebM video.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00000.html","http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00003.html","http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00004.html","http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00005.html","http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00007.html"],"products":["mozilla:firefox"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-4511","score":0.04374,"percentile":0.91278,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}